content: package org.alien4cloud.tosca.editor.processors.nodetemplate.outputs;
  
  import alien4cloud.exception.NotFoundException;
  import org.alien4cloud.tosca.model.Csar;
  import org.alien4cloud.tosca.model.definitions.AbstractPropertyValue;
  import org.alien4cloud.tosca.model.templates.NodeTemplate;
  import org.alien4cloud.tosca.model.templates.Topology;
  import alien4cloud.utils.AlienUtils;
  import alien4cloud.utils.MapUtil;
  import java.util.Map;
  import java.util.Set;
  import lombok.extern.slf4j.Slf4j;
  import org.alien4cloud.tosca.editor.EditionContextManager;
  import org.alien4cloud.tosca.editor.operations.nodetemplate.outputs.UnSetNodePropertyAsOutputOperation;
  import org.alien4cloud.tosca.editor.processors.nodetemplate.AbstractNodeProcessor;
  import org.springframework.stereotype.Component;
  
  /**
   * Unset a given property of a node as output for the topology.
   */
  @Slf4j
  @Component
  public class UnSetNodePropertyAsOutputProcessor extends AbstractNodeProcessor<UnSetNodePropertyAsOutputOperation> {
  
      @Override
      protected void processNodeOperation(Csar csar, Topology topology, UnSetNodePropertyAsOutputOperation operation, NodeTemplate nodeTemplate) {
  
          // check if the property exists
          check(operation, topology, nodeTemplate);
          Map<String, Set<String>> outputs = topology.getOutputProperties();
          removeAndClean(operation, outputs);
          topology.setOutputProperties(outputs);
  
          log.debug("Unset node [ {} ]'s property [ {} ] as output for the topology [ {} ].", operation.getNodeName(), operation.getPropertyName(), topology.getId());
      }
  
      private void removeAndClean(UnSetNodePropertyAsOutputOperation operation, Map<String, Set<String>> outputs) {
          outputs.get(operation.getNodeName()).remove(operation.getPropertyName());
          if (outputs.get(operation.getNodeName()).isEmpty()) {
              outputs.remove(operation.getNodeName());
          }
      }
  
      @SuppressWarnings("unchecked")
      private void check(UnSetNodePropertyAsOutputOperation operation, Topology topology, NodeTemplate nodeTemplate) {
          Map<String, AbstractPropertyValue> properties = nodeTemplate.getProperties();
          if (!AlienUtils.safe(properties).containsKey(operation.getPropertyName())) {
              throw new NotFoundException("Property " + operation.getPropertyName() + "not found in node template " + operation.getNodeName() + ".");
          }
  
          Set<String> values = (Set<String>) MapUtil.get(topology.getOutputProperties(), operation.getNodeName());
          if (!AlienUtils.safe(values).contains(operation.getPropertyName())) {
              throw new NotFoundException("Node " + operation.getNodeName() + " 's property " + operation.getPropertyName() + " not found in outputs");
          }
      }
  
  }